We are the leading and biggest manufacture of stringing blocks in China. We design and manufacture all kinds of stringing blocks and rollers according to customer's requirement. Grounding rollers are widely used on our stringing blocks, they are optional for installation on most of our products.
We start to produce them from 30 years ago.
Stinging Blocks Ground with Grounding Roller Device
| Item No. | Model | O. D. of Sheave (mm) | Sheave Width (mm) | No. of sheaves |
| 10301 | SHD508D | Φ508 | 75 | 1 |
| 10302 | SHS508D | 3 | ||
| 10303 | SHW508D | 5 | ||
| 10311 | SHD660D | Φ660 | 100 | 1 |
| 10312 | SHS660D | 3 | ||
| 10313 | SHW660D | 5 | ||
| 10314 | SHQ660D | 7 | ||
| 10315-1 | SHD822D | Φ822 | 110 | 1 |
| 10315-3 | SHS822D | 3 | ||
| 10315-5 | SHW822D | 5 | ||
| 10315-7 | SHQ822D | 7 | ||
| 10316-1 | SHDN916D | Φ916 | 110 | 1 |
| 10316-3 | SHSQN916D | 3 | ||
| 10316-5 | SHWQN916D | 5 | ||
| 10316-7 | SHQ916D | 7 |
Features: The stringing block is attached with a aluminum pressure roller which maintains continuous grounding by means of a grounding copper wire. (copper wire included).
Note: Other specification of stringing block is as same as “the stringing block of large diameter”.
Five sheaves conductor stringing blocks with grounding rollers device for stringing 4 bundled conductors
Seven sheaves conductor stringing blocks with grounding rollers device for stringing 6 bundled conductors
We can also install grouding rollers device on all of our helicopter stringing blocks.
The grouding rollers can be shipped with stringing blocks (installed on the stringing blocks) or shipped seperately in the plywood case.
